A small biotechnology firm has 250 employees. The average age of employees is 42 years with a standard deviation of 8.5 years. The human resources manager randomly selects 40 employees. a1. What is the expected value and the standard error of the mean age from the sample? (Round "expected value" to nearest whole number and "standard error" to 4 decimal places.) Answer is complete but not entirely correct. Expected value 42 O 1.3440 3 Standard error

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